基于MATLAB编程的弗兰克-赫兹实验数据处理方法探讨

弗兰克-赫兹实验是理工科近代物理实验教学中的一个重要实验,由于弗兰克-赫兹实验手动测量数据时,所得数据量大而且精度不高,学生人工处理数据的过程中往往面临繁、难等问题.本文提出运用MATLAB GUI的可视化,通过自动读取人工测量实验数据,进行图像拟合,进而使用逐差法和最小二乘法进行数据处理.教学实践表明,该方法不仅能够有效地解决实验数据处理中的繁琐、困难等问题,还能够充分发挥学生的主动性,使学生对实验原理的本质和实验数据的处理有更加深刻的理解和思考,提高物理实验教学的有效性.在教学实践中,使用该方法,不仅有了更多的时间综合训练学生的实验操作能力,同时也提高了实验教学的有效性,创新了传统实验教学的复杂数据处理过程,实验教学效果较佳.

Discussion on Processing Method of Frank-Hertz Experimental Data Based on MATLAB Programming

The Frank-Hertz experiment is an important experiment in the teaching of modern physics experiments in science and engineering.However,due to the manual measurement of data by Frank-Hertz experiment,the obtained data is large and intensive,which is often used in the process of manual processing of data by students.Faced with the problems of complexity and difficulty,this paper proposes the visualization of MATLAB GUI,automatically reads the artificial measurement experimental data,performs image fitting,and then uses the difference method and the least squares method for data processing.Teaching practice shows that this method can not only effectively solve the cu mb ersome and difficult problems in the processing of experimental data,but also give full play to the initiative of students,so that students have a deeper understanding and thinking on the nature of experimental principles and the processing of experimental data.To improve the effectiveness of physics experiment teaching.The use of this method not only has more time to comprehensively train the experimental operation ability of students,but also innovates the complex data processing process of traditional experimental teaching,and the experimental teaching effect is obviously improved.